CA2526087C - Detecteurs de gaz a l'etat solide fondes sur une geometrie de jonction a effet tunnel - Google Patents

Detecteurs de gaz a l'etat solide fondes sur une geometrie de jonction a effet tunnel Download PDF

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Publication number
CA2526087C
CA2526087C CA2526087A CA2526087A CA2526087C CA 2526087 C CA2526087 C CA 2526087C CA 2526087 A CA2526087 A CA 2526087A CA 2526087 A CA2526087 A CA 2526087A CA 2526087 C CA2526087 C CA 2526087C
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CA
Canada
Prior art keywords
material layer
electrically conductive
conductive material
gas
power source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2526087A
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English (en)
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CA2526087A1 (fr
Inventor
Rex Ramsier
Desmond Lundy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Akron
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University of Akron
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Publication date
Application filed by University of Akron filed Critical University of Akron
Publication of CA2526087A1 publication Critical patent/CA2526087A1/fr
Application granted granted Critical
Publication of CA2526087C publication Critical patent/CA2526087C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0042SO2 or SO3
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403Cells and electrode assemblies
    • G01N27/406Cells and probes with solid electrolytes
    • G01N27/407Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4073Composition or fabrication of the solid electrolyte
    • G01N27/4074Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403Cells and electrode assemblies
    • G01N27/406Cells and probes with solid electrolytes
    • G01N27/407Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4075Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

L'invention concerne un détecteur de gaz utilisant une géométrie de jonction à effet tunnel. Ce détecteur de gaz comprend une première couche de matériau électriquement conducteur, une couche de matériau électriquement non conducteur disposée sur la première couche de matériau électriquement conducteur, une deuxième couche de matériau électriquement conducteur disposée sur la couche de matériau électriquement non conducteur, une source de gaz (34) en communication fluidique avec la deuxième couche de matériau électriquement conducteur ; et une source d'alimentation en communication électrique avec le première et la deuxième couche de matériau électriquement conducteur. L'invention porte aussi sur un procédé de détection d'un gaz utilisant le détecteur susmentionné, ainsi que sur un procédé de fabrication d'un détecteur de gaz.
CA2526087A 2003-05-20 2003-05-20 Detecteurs de gaz a l'etat solide fondes sur une geometrie de jonction a effet tunnel Expired - Fee Related CA2526087C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/015749 WO2004106908A1 (fr) 2003-05-20 2003-05-20 Detecteurs de gaz a l'etat solide fondes sur une geometrie de jonction a effet tunnel

Publications (2)

Publication Number Publication Date
CA2526087A1 CA2526087A1 (fr) 2004-12-09
CA2526087C true CA2526087C (fr) 2011-09-20

Family

ID=33488773

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2526087A Expired - Fee Related CA2526087C (fr) 2003-05-20 2003-05-20 Detecteurs de gaz a l'etat solide fondes sur une geometrie de jonction a effet tunnel

Country Status (4)

Country Link
US (1) US7677082B2 (fr)
AU (1) AU2003241509A1 (fr)
CA (1) CA2526087C (fr)
WO (1) WO2004106908A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8646311B1 (en) 2007-11-09 2014-02-11 Atmospheric Sensors Ltd. Sensors for hydrogen, ammonia

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007096A (en) 1973-06-18 1977-02-08 Texas Instruments Incorporated Trace gas detection method
US4514263A (en) 1982-01-12 1985-04-30 University Of Utah Apparatus and method for measuring the concentration of components in fluids
US4569918A (en) 1982-02-02 1986-02-11 Xertex Corporation Sulfur dioxide analysis system
JPS58214851A (ja) 1982-06-08 1983-12-14 Ngk Spark Plug Co Ltd 二酸化イオウ用ガスセンサ
JPS62172257A (ja) 1986-01-27 1987-07-29 Figaro Eng Inc プロトン導電体ガスセンサ
US4671852A (en) 1986-05-07 1987-06-09 The Standard Oil Company Method of forming suspended gate, chemically sensitive field-effect transistor
US4978434A (en) 1989-01-26 1990-12-18 Westinghouse Electric Corp. Apparatus and method for measuring SO2 using a zirconium oxide analyzer
DE3923717A1 (de) 1989-07-18 1991-01-24 Draegerwerk Ag Elektrochemische messzelle zum nachweis von blausaeure oder schwefeldioxid
US4996073A (en) * 1989-08-29 1991-02-26 Oxyrase, Inc. Method and composition for removing oxygen from solutions containing alcohols and/or acids
DE3941554A1 (de) 1989-12-16 1991-06-20 Draegerwerk Ag Elektrochemische messzelle zum nachweis von gaskomponenten in fluiden medien
US5800630A (en) 1993-04-08 1998-09-01 University Of Houston Tandem solar cell with indium phosphide tunnel junction
US5372785A (en) * 1993-09-01 1994-12-13 International Business Machines Corporation Solid-state multi-stage gas detector
US5841021A (en) 1995-09-05 1998-11-24 De Castro; Emory S. Solid state gas sensor and filter assembly
JPH0996622A (ja) 1995-09-29 1997-04-08 Matsushita Electric Ind Co Ltd ガスセンサおよびその製造方法
US5716506A (en) 1995-10-06 1998-02-10 Board Of Trustees Of The University Of Illinois Electrochemical sensors for gas detection
DE19623487C2 (de) 1996-06-12 1999-01-07 Max Planck Gesellschaft Gavanische Zelle und deren Verwendung als Gassensor
FR2760533B1 (fr) * 1997-03-06 1999-05-28 Alpha Mos Sa Appareil et procede de caracterisation de liquides
EP1027723B1 (fr) 1997-10-14 2009-06-17 Patterning Technologies Limited Procédé de formation d'un condensateur électrique
JP3874947B2 (ja) 1997-12-01 2007-01-31 日本碍子株式会社 二酸化硫黄ガスセンサ
US6298710B1 (en) 1998-02-20 2001-10-09 Ford Global Technologies, Inc. Combustible gas diode sensor
JP2000065789A (ja) 1998-08-25 2000-03-03 Ngk Insulators Ltd 一酸化炭素センサとその作製方法及び使用方法
US6596236B2 (en) 1999-01-15 2003-07-22 Advanced Technology Materials, Inc. Micro-machined thin film sensor arrays for the detection of H2 containing gases, and method of making and using the same
EP1211508A3 (fr) * 2000-11-27 2004-10-27 Kabushiki Kaisha Riken Capteur de gaz et dispositif de pompe à oxygène

Also Published As

Publication number Publication date
AU2003241509A1 (en) 2005-01-21
CA2526087A1 (fr) 2004-12-09
US20070119234A1 (en) 2007-05-31
WO2004106908A1 (fr) 2004-12-09
US7677082B2 (en) 2010-03-16

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Effective date: 20170523